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Deduplicate the float regex by adding a template

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Sei Lisa 2024-10-27 12:22:35 +01:00
parent 55aae624f9
commit e27ece3536
1 changed files with 6 additions and 21 deletions
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27
lslopt/lslbasefuncs.py
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@ -60,7 +60,7 @@ from strutil import *
# as is (vector)"<1,inf,info>". The 1st gives <0,0,0>, the others <1,inf,inf>. # as is (vector)"<1,inf,info>". The 1st gives <0,0,0>, the others <1,inf,inf>.
# The lookahead (?!i) is essential for parsing them that way without extra code. # The lookahead (?!i) is essential for parsing them that way without extra code.
# Note that '|' in REs is order-sensitive. # Note that '|' in REs is order-sensitive.
float_re = re.compile(str2u(r''' float_re_tpl = r'''
^\s*[+-]?(?: ^\s*[+-]?(?:
0(x)(?: # Hex float or hex int (captures the 'x') 0(x)(?: # Hex float or hex int (captures the 'x')
[0-9a-f]+(?:\.[0-9a-f]*)? [0-9a-f]+(?:\.[0-9a-f]*)?
@ -74,28 +74,13 @@ float_re = re.compile(str2u(r'''
)(?: )(?:
e[+-]?[0-9]+ # Decimal float exponent e[+-]?[0-9]+ # Decimal float exponent
)? # (optional) )? # (optional)
|inf # Infinity |%s # Infinity (normal or vector variant)
|(nan) # NaN (captured) |(nan) # NaN (captured)
) )
'''), re.I | re.X) '''
vfloat_re = re.compile(str2u(r''' float_re = re.compile(str2u(float_re_tpl % 'inf'), re.I | re.X)
^\s*[+-]?(?: vfloat_re = re.compile(str2u(float_re_tpl % 'infinity|inf(?!i)'), re.I | re.X)
0(x)(?: # Hex float or hex int (captures the 'x') del float_re_tpl
[0-9a-f]+(?:\.[0-9a-f]*)?
|\.[0-9a-f]+ # Hex digits
)(?:
p[+-]?[0-9]+ # Hex float exponent
)? # (optional)
|(?: # Decimal float or decimal int
[0-9]+(?:\.[0-9]*)?
|\.[0-9]+ # Decimal digits
)(?:
e[+-]?[0-9]+ # Decimal float exponent
)? # (optional)
|infinity|inf(?!i) # Infinity (the only difference with the above)
|(nan) # NaN (captured)
)
'''), re.I | re.X)
int_re = re.compile(str2u(r'^0(x)[0-9a-f]+|^\s*[+-]?[0-9]+'), re.I) int_re = re.compile(str2u(r'^0(x)[0-9a-f]+|^\s*[+-]?[0-9]+'), re.I)